11 Maintenance
125Contents of this chapter ...........................................................................
125Maintenance intervals .............................................................................
126Power connections and quick connectors ......................................................
126Retightening the power connections ........................................................
127Cooling fans ........................................................................................
127Replacing the cooling fan in the supply module cubicle ..................................
128Replacing the cooling fan of an inverter module ...........................................
129Fuses ................................................................................................
129Replacing the AC fuses .......................................................................
130Replacing the DC fuses .......................................................................
131Supply and inverter modules .....................................................................
131Replacing a supply module ...................................................................
134Replacing an inverter module ................................................................
134Removing the module ......................................................................
136Reinstalling the module ....................................................................
136Activating the reduced run of the inverter unit .............................................
138Returning the module ......................................................................
138Capacitors ...........................................................................................
139Reforming the capacitors ......................................................................
139Control panel .......................................................................................
139Replacing the control panel battery ..........................................................
139Cleaning the control panel ....................................................................
140Control units ........................................................................................
140BCU control unit types .........................................................................
140Replacing the memory unit ...................................................................
140Replacing the BCU control unit battery .....................................................
12 Internal cooling circuit
143Contents of this chapter ...........................................................................
143Applicability .........................................................................................
143Internal cooling system ............................................................................
144Connection to a cooling unit ......................................................................
144Connection to an ACS880-1007LC cooling unit ...........................................
145Connection to a custom cooling unit .........................................................
145General requirements ......................................................................
145Coolant temperature control ...............................................................
145Filling up and bleeding the internal cooling circuit ............................................
145Drive line-ups with an ACS880-1007LC cooling unit ......................................
145Drive line-ups with a custom cooling unit ...................................................
146Draining the internal cooling circuit ..............................................................
147Maintenance intervals .............................................................................
147Technical data ......................................................................................
147Coolant specification ...........................................................................
147Coolant type .................................................................................
147Temperature limits ..............................................................................
148Pressure limits ..................................................................................
149Cooling circuit materials .......................................................................
13 Technical data
151Contents of this chapter ...........................................................................
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